Diamond detector for beam profile monitoring in COMET experiment at J-PARC

被引：3

作者：

Cerv, M. ^{[1
]}

Sarin, P. ^{[2
]}

Pernegger, H. ^{[1
]}

Vageeswaran, P. ^{[2
]}

Griesmayer, E. ^{[3
]}

机构：

[1] CERN PH, Geneva, Switzerland

[2] Indian Inst Technol, Bombay 400076, Maharashtra, India

[3] Vienna Univ Technol, A-1040 Vienna, Austria

来源：

JOURNAL OF INSTRUMENTATION | 2015年 / 10卷

关键词：

Diamond Detectors; Beam-line instrumentation (beam position and profile monitors beam-intensity monitors; bunch length monitors);

D O I：

10.1088/1748-0221/10/06/C06016

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present the design and initial prototype results of a proton beam profile monitor for the COMET experiment at J- PARC. The goal of COMET is to look for charged lepton flavor violation by direct m to e conversion at a sensitivity of 10 19. The 8 GeV proton beam pulsed at 100 ns with 1010 protons/ s will be used to create muons through pion production and decay. In the final experiment, the proton flux will be raised to 1014 protons/ s to increase the sensitivity. These requirements of harsh radiation tolerance and fast readout make diamond a good choice for constructing a beam profile monitor in COMET. We present first results of the characterization of single crystal diamond (scCVD) sourced from a new company 2A SYSTEMS Singapore. Our measurements indicate excellent charge collection and high carrier mobility down to cryogenic temperatures.

引用

页数：8

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